As Summer is on the horizon we look ahead to the big-budget studio offerings hitting us in the next few weeks, but can we muster any enthusiasm for the prospect of another Zack Snyder or M. Night Shyamalan film? Pete opts for Michael Winterbottom’s porn biopic “The Look of Love,” while Cal tackles the popular “Bernie,” before crowing about Rob Zombie’s swag in his review of “The Lords of Salem.” And then we deal with Robert Downey Jr.’s third outing as Iron Man, which splits the camp dramatically. We lament the demise of Rene Russo and discuss the woes of Scottish transport, while Pete wonders if Kat Dennings’ rack will be a plot point in “Thor 2.” It’s all about the superheroes…